Since garbage pile on the floor. When rain falls on the pile of garbage, waste water will occur.Dirt flowing down a river source, disease caused by a pile of trash on the floor cause the breeding of rats and flies.
The pile of trash on the floor When rain falls on a pile of garbage to sewage flowing into the river with dirt, the water-borne disease caused by a pile of trash on the floor, causing the breeding of rats and flies.
Because the garbage on the floor. When it rains on the garbage to wastewater.The dirt flowing into the river source of vector-borne diseases caused by the trash on the floor, causing a hotbed of varieties of rats and flies.